641237040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{967}}^1$

素因数の和:1296

約数の個数: 160

約数和(自身を含む): 2218191360

約数和(自身を除く): 1576954320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 307, 360, 432, 540, 614, 720, 921, 967, 1080, 1228, 1535, 1842, 1934, 2160, 2456, 2763, 2901, 3070, 3684, 3868, 4605, 4835, 4912, 5526, 5802, 6140, 7368, 7736, 8289, 8703, 9210, 9670, 11052, 11604, 12280, 13815, 14505, 14736, 15472, 16578, 17406, 18420, 19340, 22104, 23208, 24560, 26109, 27630, 29010, 33156, 34812, 36840, 38680, 41445, 43515, 44208, 46416, 52218, 55260, 58020, 66312, 69624, 73680, 77360, 82890, 87030, 104436, 110520, 116040, 130545, 132624, 139248, 165780, 174060, 208872, 221040, 232080, 261090, 296869, 331560, 348120, 417744, 522180, 593738, 663120, 696240, 890607, 1044360, 1187476, 1484345, 1781214, 2088720, 2374952, 2671821, 2968690, 3562428, 4453035, 4749904, 5343642, 5937380, 7124856, 8015463, 8906070, 10687284, 11874760, 13359105, 14249712, 16030926, 17812140, 21374568, 23749520, 26718210, 32061852, 35624280, 40077315, 42749136, 53436420, 64123704, 71248560, 80154630, 106872840, 128247408, 160309260, 213745680, 320618520, 641237040]

約数ペア:

[(1, 641237040), (2, 320618520), (3, 213745680), (4, 160309260), (5, 128247408), (6, 106872840), (8, 80154630), (9, 71248560), (10, 64123704), (12, 53436420), (15, 42749136), (16, 40077315), (18, 35624280), (20, 32061852), (24, 26718210), (27, 23749520), (30, 21374568), (36, 17812140), (40, 16030926), (45, 14249712), (48, 13359105), (54, 11874760), (60, 10687284), (72, 8906070), (80, 8015463), (90, 7124856), (108, 5937380), (120, 5343642), (135, 4749904), (144, 4453035), (180, 3562428), (216, 2968690), (240, 2671821), (270, 2374952), (307, 2088720), (360, 1781214), (432, 1484345), (540, 1187476), (614, 1044360), (720, 890607), (921, 696240), (967, 663120), (1080, 593738), (1228, 522180), (1535, 417744), (1842, 348120), (1934, 331560), (2160, 296869), (2456, 261090), (2763, 232080), (2901, 221040), (3070, 208872), (3684, 174060), (3868, 165780), (4605, 139248), (4835, 132624), (4912, 130545), (5526, 116040), (5802, 110520), (6140, 104436), (7368, 87030), (7736, 82890), (8289, 77360), (8703, 73680), (9210, 69624), (9670, 66312), (11052, 58020), (11604, 55260), (12280, 52218), (13815, 46416), (14505, 44208), (14736, 43515), (15472, 41445), (16578, 38680), (17406, 36840), (18420, 34812), (19340, 33156), (22104, 29010), (23208, 27630), (24560, 26109)]